Ruby on Rails, json vs js ajax response

Question

I'm curious what is the best way to respond to an ajax request, is it sending json, and then parse it at the client side (for example with pure) or should I render javascript at the server side and return the result(with a js.erb template)?

Luke · Accepted Answer · 2011-12-09 02:24:55Z

8

Using js.erb templates tends to be simpler and encourages you to keep your application logic in your Rails controllers. For traditional applications, where little to no application logic is handled in javascript, this can be a good thing.

On the other hand, using JSON encourages you to develop your Rails app more as an API server for a javascript-heavy client application. If you're looking to do your core CRUD actions over ajax and rarely reload the page, this is probably fits better with your application's style.

Which is best in a particular situation depends on both the type of application you're looking to build and the attributes of the particular request.

answered Dec 9, 2011 at 2:24

Luke

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1 Comment

Nick Over a year ago

+1 for JSON responses with controllers as an API to the views. Doing it this way decouples the view logic (manipulating the DOM) from controller code.

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